3631 CASTLE ROCK Rd, Diamond Bar, CA 91765

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Off market nov 2006 for $567K

$940,515

Est. refi paymentEst. refi $3,918/mo

•

— ba

•

1,724

sq ft

3631 CASTLE ROCK Rd, Diamond Bar, CA 91765

About this home

JUST REDUCED $20,000. PRICED TO SELL. BEAUTIFUL 4 BEDROOM 2 BATH HOME. 2 BEDROOMS 1 BATH UPSTAIRS. 2 BEDROOMS 1 BATH DOWNSTAIRS. 3 CEILING FANS. CERAMIC TILE IN ENTRY, KITCHEN, DINING AREA AND BATHROOMS. SPANISH TILE IN GARAGE, GREAT FOR PARTIES. DUAL PANE WINDOWS, FRENCH DOORS, CUSTOM MINI BLINDS, GAS STOVE, NEW WATER HEATER, PROFESSIONALLY LANDSCAPED, A ROSE LOVER'S DELIGHT! LOTS OF CABINETS IN THE GARAGE.

Single-familyProperty Type

1963Year Built

7,800 sq ftLot Size

$546Est. Price/Sq.Ft.

2 car garageParking

Listed by Alvin HUEY •DRE #00864560 • C-21 Diamond Realty

Bought with Susan PATERSON • PROVIDENCE PLACE RE SERVICES

Redfin checked: 2 minutes ago

•Source:CRMLS #H612058

Redfin Estimate

$940,515

$373K since sold in November 2006$16K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 2.5% lower than the average sale price ($965K) of 6 comparable homes.

SOLD FEB 27, 2026
$1,030,000
A
4 beds2 baths1,756 sq ft
2710 Castle Rock Rd, Diamond Bar, CA 91765
SOLD OCT 31, 2025
$948,880
B
4 beds2 baths1,662 sq ft
3702 Crooked Creek Dr, Diamond Bar, CA 91765
SOLD SEP 17, 2026
$930,000
C
3 beds2 baths1,300 sq ft
2726 Castle Rock, Diamond Bar, CA 91765
SOLD JUL 31, 2026
$875,000
D
3 beds2 baths1,300 sq ft
21245 Cold Spg, Diamond Bar, CA 91765
SOLD JUL 31, 2026
$975,000
E
3 beds2 baths1,300 sq ft
2606 Castle Rock Rd, Diamond Bar, CA 91765
Synergy Real Estate
SOLD OCT 16, 2025
$1,030,000
F
4 beds2 baths1,688 sq ft
2624 Crooked Creek Dr, Diamond Bar, CA 91765

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Earn from this home

Sell

$673,475

Est. take-home

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Refinance

Est. cash available

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Rent

$3,275/mo

Redfin rental estimate

List your home for rent

Market trends in 91765, CA

Last updated September 2026

Buyer's Market

Seller's Market

Balanced market

Sale-to-List Price

98.5%

0.6% MoM

Median sale price

$1.1M

$10K MoM

Avg. days on market

43d

1 days MoM

Recently sold homes

100

5 MoM

New listings for sale

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OPEN SUN, 1PM TO 4PM
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OPEN SUN, 2PM TO 5PM
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RE/MAX Galaxy
See all

Provided by Redfin

Redfin agents who toured

Step down into the living room off the entry. Two bedrooms downstairs. Property backs to Brea Canyon Road so there is some street noise.
11 years ago• May not reflect the current state of the home
Kelly Hope
Redfin Associate agent

Sale history for 3631 CASTLE ROCK Rd

Date

Event

Price

CRMLS #OC25196076

Oct 27, 2025

Rental Removed

$3,400

$2/sq ft

Oct 21, 2025

Price Changed

$3,400

$2/sq ft

Oct 19, 2025

Price Changed

$3,500

$2/sq ft

Oct 17, 2025

Price Changed

$3,750

$2/sq ft

Sep 2, 2025

Listed for Rent

$3,950

$2/sq ft

CRMLS #OC15137194

Nov 26, 2015

Price Changed

$589,000

$342/sq ft

Oct 27, 2015

Price Changed

$609,000

$353/sq ft

Aug 23, 2015

Price Changed

$615,000

$357/sq ft

Jun 24, 2015

Listed

$625,000

$363/sq ft

CRMLS #H612058

Nov 9, 2006

Sold

$567,500

$329/sq ft

Aug 29, 2006

Listed

$579,000

$336/sq ft

Public Records

Jul 20, 2001

Sold

$246,000

$143/sq ft

CRMLS #R12875

Jul 9, 2001

Listing Removed

—

Apr 9, 2001

Listed

$249,900

$145/sq ft

Public Records

Oct 19, 1989

Sold

$223,000

$129/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$9,802 (+5.2%)

$608,255 + $152,058

$760,313

2024

$9,319 (+3.6%)

$608,255 + $152,058

$760,313

2023

$8,998 (+2.1%)

$596,329 + $149,077

$745,406

2022

$8,811 (+1.9%)

$584,637 + $146,154

$730,791

2021

$8,648 (+1.3%)

$573,174 + $143,289

$716,463

2020

$8,538 (+2.0%)

$561,936 + $140,480

$702,416

2019

$8,374 (+4.5%)

$556,175 + $139,040

$695,215

2018

$8,012 (+13.3%)

$545,270 + $136,314

$681,584

2017

$7,075 (+1.1%)

$482,400 + $121,100

$603,500

2016

$6,998 (−2.0%)

$482,400 + $121,100

$603,500

2015

$7,141 (+9.3%)

$482,400 + $121,100

$603,500

2014

$6,535 (+29.1%)

$430,000 + $108,000

$538,000

2012

$5,062 (−11.4%)

$368,000 + $92,000

$460,000

2011

$5,713

$323,300 + $80,800

$404,100

2010

$5,709 (+22.8%)

$372,500 + $93,100

$465,600

2009

$4,650 (−32.8%)

$372,500 + $93,100

$465,600

2008

$6,921

$300,700 + $75,200

$375,900

Tax history for 3631 CASTLE ROCK Rd

Year

Property tax

Land + Additions

Assessment*

2025

$9,802 (+5.2%)

$608,255 + $152,058

$760,313

2024

$9,319 (+3.6%)

$608,255 + $152,058

$760,313

2023

$8,998 (+2.1%)

$596,329 + $149,077

$745,406

2022

$8,811 (+1.9%)

$584,637 + $146,154

$730,791

2021

$8,648 (+1.3%)

$573,174 + $143,289

$716,463

2020

$8,538 (+2.0%)

$561,936 + $140,480

$702,416

2019

$8,374 (+4.5%)

$556,175 + $139,040

$695,215

2018

$8,012 (+13.3%)

$545,270 + $136,314

$681,584

2017

$7,075 (+1.1%)

$482,400 + $121,100

$603,500

2016

$6,998 (−2.0%)

$482,400 + $121,100

$603,500

2015

$7,141 (+9.3%)

$482,400 + $121,100

$603,500

2014

$6,535 (+29.1%)

$430,000 + $108,000

$538,000

2012

$5,062 (−11.4%)

$368,000 + $92,000

$460,000

2011

$5,713

$323,300 + $80,800

$404,100

2010

$5,709 (+22.8%)

$372,500 + $93,100

$465,600

2009

$4,650 (−32.8%)

$372,500 + $93,100

$465,600

2008

$6,921

$300,700 + $75,200

$375,900

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Public record
Zoning

Beds

Baths

Stories

—

Lot width

—

Lot depth

—

Lot size

7,700 Sq. Ft.

Year renovated

1963

Sq. Ft.

1,724

Year built

1963

Style

Single Family Residential

County

Los Angeles County

APN

8714016011

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 30, 2026.

RLM

Low/Medium Density Residential District

The RLM zoning district is intended primarily for existing subdivided areas developed with detached single-family dwellings. The maximum allowed density for new residential subdivisions within this zoning district will be five dwellings per gross acre. The RLM zoning district is consistent with the low density residential land use category of the general plan.

Permitted uses

Include but are not limited to:

Housing-Single unit
Housing-Senior
Housing-Other
Infrastructure
Fire house
Police station
Park & open space

Property details

Parking

Parking / Garage Information
Attached Garage
# of Garage Spaces: 2
Direct Garage Access
Has Parking

Interior

Laundry Information
Has Laundry
In Garage

Cooling Information
Central
Has Cooling

Room Information
Primary Bedroom, Walk-In Closet

Fireplace Information
Living Room
Has Fireplace

Interior Features
French Doors
Ceiling Fan
Levels: Two
Window Features: Blinds

Exterior

Exterior Information
Roof: Composition

Exterior Features
Pool Features: None

Lot Information
Lot Size Source: Assessor's Data

Property Information
Total # of Units: 1
Living Area Source: Assessor's Data
Parcel Number: 8714016011

Location

Multi-Unit Information
# of Units In Community: 1

School Information
High School District: Walnut Valley Unified

Location Information
Latitude: 33.96345000
Longitude: -117.85096400

Public facts

Beds: 4
Baths: 2.0
Sq. Ft.: 1,724
Stories: —
Lot Size: 7,700 square feet
Style: Single Family Residential
Year Built: 1963
Year Renovated: 1963
County: Los Angeles County
APN: 8714016011

Home facts updated by county records on Aug 30, 2026

Other

Miscellaneous Information
Exclusions: CHANDELIER IN DINING AREA WILL BE REPLACED

Listing Information
Days Active in MLS: 46
Continuous Days Active in MLS: 46

Listing Agent Information
List Agent First Name: Alvin
List Agent Last Name: HUEY

Listing Office Information
List Office Name: C-21 DIAMOND REALTY

Selling Agent Information
Buyer Agent First Name: Susan
Buyer Agent Last Name: Paterson

Selling Office Information
Buyer Office Name: Providence Place RE Services

Around this home

Schools

Castle Rock Elementary School

Public K-5 • Assigned • 0.7mi

10/10

South Pointe Middle School

Public 6-8 • Assigned • 1.9mi

10/10

Diamond Bar High School

Public 9-12 • Assigned • 1.4mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

4/10 Flood Factor

Estimated 11-17% chance of a flood reaching the building in the next 30 years

5/10 Fire Factor

6% chance of being in a wildfire in next 30 years

6/10 Heat Factor

7 days above 99° expected this year, 21 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

7/10 Air Factor

13 unhealthy days expected this year, 14 days in 30 years

Provided by First Street

Historical weather

Diamond Bar, CA • 91765

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 9.5 hours in June and 6.9 hours in December, placing it above the U.S. average for solar exposure.

9.5 hrs

6.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$894,000 – $1.08M

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Home values near 3631 CASTLE ROCK Rd

Data from public records.

Address	Redfin Estimate
3531 Castle Rock Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1448 Sq. Ft.	$900,298
3611 Castle Rock Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 2084 Sq. Ft.	$947,147

Address	Redfin Estimate
3537 Castle Rock Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1521 Sq. Ft.	$922,007
3619 Castle Rock Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1763 Sq. Ft.	$925,143

Address	Redfin Estimate
3603 Castle Rock Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1724 Sq. Ft.	$880,362
3625 Castle Rock Road, Diamond Bar, CA 3 Beds \| - Baths \| 1488 Sq. Ft.	$912,656

Property information provided by CRMLS when last listed in 2025. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 91765, CA

Redfin agents who toured

Sale history for 3631 CASTLE ROCK Rd

Tax history for 3631 CASTLE ROCK Rd

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 91765

Home values near 3631 CASTLE ROCK Rd

More real estate resources